Insider Trading activities of Amphastar Pharmaceuticals, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amphastar Pharmaceuticals, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Amphastar Pharmaceuticals, Inc. since year 2005. Table 2 shows the detailed insider transactions of Amphastar Pharmaceuticals, Inc. since 2005. The reporting company's ticker symbol is AMPH. The reporting company's CIK number is 1297184.
The total value of stock buying since 2005 is $258,913.
The total value of stock sales since 2005 is $34,270,308.
The total value of stock option exercises since 2005 is $33,031,979.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Amphastar Pharmaceuticals, Inc. (AMPH).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 122,268 $2,250,480 119,242 $1,288,963
2017-09 0 $0 0 $0 315,619 $3,639,087
2017-08 0 $0 10,000 $148,080 10,000 $107,700
2017-06 0 $0 25,000 $425,905 25,000 $269,250
2017-05 0 $0 23,279 $382,755 654,843 $7,529,103
2017-01 0 $0 400 $7,444 0 $0
2016-12 0 $0 3,401 $69,653 0 $0
2016-11 0 $0 72,729 $1,491,704 69,329 $882,344
2016-10 0 $0 400 $7,500 0 $0
2016-09 0 $0 514,576 $10,707,630 511,576 $8,222,732
2016-08 0 $0 160,525 $2,969,398 144,789 $1,994,376
2016-07 0 $0 2,297 $40,794 0 $0
2016-06 0 $0 21,252 $343,592 7,500 $106,725
2016-05 0 $0 5,701 $80,085 0 $0
2016-04 0 $0 21,244 $273,779 19,817 $214,289
2016-03 0 $0 2,400 $27,000 0 $0
2015-12 0 $0 440,774 $6,435,964 100,002 $1,168,019
2015-11 0 $0 35,301 $503,125 38,462 $449,236
2015-08 0 $0 14,500 $212,781 24,462 $300,772
2015-07 0 $0 15,384 $267,827 15,384 $179,684
2015-06 0 $0 400,635 $6,544,888 443,038 $5,746,200
2015-05 0 $0 32,452 $479,904 32,452 $371,099
2015-04 0 $0 38,000 $600,020 38,000 $562,400
2014-08 25,100 $258,913 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Amphastar Pharmaceuticals, Inc. insiders (AMPH)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-13 Peters William J (CFO, SVP & Treasurer) Sale 3,026 18.57 56,177
2017-10-12 Shohet Stephen B. (Director) Sale 7,862 18.73 147,215
2017-10-12 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-10-05 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 8,444 18.88 159,380
2017-10-05 Gerst Diane G. (EVP, QA & Regulatory Affairs) Option Ex 8,444 11.33 95,670
2017-10-04 Petersen Floyd F. (Director) Sale 39,312 18.59 730,770
2017-10-04 Petersen Floyd F. (Director) Option Ex 39,312 10.77 423,390
2017-10-02 Zasloff Michael A (Director) Sale 63,624 18.18 1,156,938
2017-10-02 Zasloff Michael A (Director) Option Ex 63,624 10.77 685,230
2017-09-13 Luo Mary Z. (COO,Chief Scientist & Chairman) Option Ex 315,619 11.53 3,639,087
2017-08-15 Prins Richard K (Director) Sale 5,000 14.82 74,085
2017-08-15 Prins Richard K (Director) Option Ex 5,000 10.77 53,850
2017-08-14 Prins Richard K (Director) Sale 5,000 14.80 73,995
2017-08-14 Prins Richard K (Director) Option Ex 5,000 10.77 53,850
2017-06-09 Prins Richard K (Director) Sale 10,000 17.07 170,710
2017-06-09 Prins Richard K (Director) Option Ex 10,000 10.77 107,700
2017-06-01 Zasloff Michael A (Director) Sale 15,000 17.01 255,195
2017-06-01 Zasloff Michael A (Director) Option Ex 15,000 10.77 161,550
2017-05-31 Shandell Jason B. (President and General Counsel) Sale 3,654 17.26 63,071
2017-05-30 Shandell Jason B. (President and General Counsel) Sale 7,828 16.76 131,228
2017-05-30 Peters William J (CFO, SVP & Treasurer) Sale 4,297 16.93 72,731
2017-05-23 Luo Mary Z. (COO,Chief Scientist & Chairman) Option Ex 647,343 11.51 7,448,328
2017-05-11 Prins Richard K (Director) Sale 7,500 15.43 115,725
2017-05-11 Prins Richard K (Director) Option Ex 7,500 10.77 80,775
2017-01-03 Petersen Floyd F. (Director) Sale 400 18.61 7,444
2016-12-15 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 2,940 20.51 60,287
2016-12-05 Zhou Rong (EVP, Production Center) Sale 61 20.70 1,262
2016-12-01 Petersen Floyd F. (Director) Sale 400 20.26 8,104
2016-11-28 Shandell Jason B. (President and General Counsel) Sale 24,292 20.47 497,208
2016-11-28 Shandell Jason B. (President and General Counsel) Option Ex 24,292 10.93 265,511
2016-11-25 Shandell Jason B. (President and General Counsel) Sale 2,043 20.59 42,057
2016-11-25 Shandell Jason B. (President and General Counsel) Option Ex 2,043 10.93 22,329
2016-11-15 Lee Howard (Director) Sale 17,994 20.76 373,519
2016-11-15 Lee Howard (Director) Option Ex 17,994 14.23 256,054
2016-11-14 Lee Howard (Director) Sale 20,000 20.56 411,180
2016-11-14 Lee Howard (Director) Option Ex 20,000 14.23 284,600
2016-11-11 Prins Richard K (Director) Sale 8,000 20.06 160,504
2016-11-11 Prins Richard K (Director) Option Ex 5,000 10.77 53,850
2016-11-01 Petersen Floyd F. (Director) Sale 400 18.09 7,236
2016-10-03 Petersen Floyd F. (Director) Sale 400 18.75 7,500
2016-09-26 Shandell Jason B. (President and General Counsel) Sale 56,996 19.50 1,111,251
2016-09-26 Shandell Jason B. (President and General Counsel) Option Ex 56,996 10.93 622,966
2016-09-21 Luo Mary Z. (COO Chief Scientist & Chairman) Sale 55,081 21.07 1,160,776
2016-09-21 Luo Mary Z. (COO Chief Scientist & Chairman) Option Ex 55,081 16.75 922,771
2016-09-20 Luo Mary Z. (COO Chief Scientist & Chairman) Sale 389,118 21.03 8,183,540
2016-09-20 Luo Mary Z. (COO Chief Scientist & Chairman) Option Ex 389,118 16.75 6,518,893
2016-09-08 Petersen Floyd F. (Director) Sale 3,000 19.05 57,150
2016-09-01 Lee Howard (Director) Sale 10,381 18.78 194,913
2016-09-01 Lee Howard (Director) Option Ex 10,381 15.23 158,102
2016-08-22 Shandell Jason B. (President and General Counsel) Sale 10,000 19.95 199,500
2016-08-22 Shandell Jason B. (President and General Counsel) Option Ex 10,000 10.46 104,600
2016-08-19 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 24,046 19.28 463,606
2016-08-19 Gerst Diane G. (EVP, QA & Regulatory Affairs) Option Ex 24,046 12.58 302,498
2016-08-18 Prins Richard K (Director) Sale 3,086 19.62 60,538
2016-08-17 Shandell Jason B. (President and General Counsel) Sale 5,987 18.86 112,908
2016-08-16 Shohet Stephen B. (Director) Sale 10,670 18.35 195,783
2016-08-16 Shohet Stephen B. (Director) Option Ex 10,670 14.23 151,834
2016-08-15 Shohet Stephen B. (Director) Sale 22,917 18.26 418,487
2016-08-15 Shohet Stephen B. (Director) Option Ex 22,917 14.23 326,108
2016-08-15 Zasloff Michael A (Director) Sale 17,400 18.22 316,975
2016-08-15 Zasloff Michael A (Director) Option Ex 17,400 14.23 247,602
2016-08-12 Shohet Stephen B. (Director) Sale 14,788 18.12 268,017
2016-08-12 Shohet Stephen B. (Director) Option Ex 14,788 14.73 217,827
2016-08-12 Peters William J (CFO, SVP & Treasurer) Sale 1,027 18.19 18,681
2016-08-12 Zasloff Michael A (Director) Sale 30,975 18.12 561,143
2016-08-12 Zasloff Michael A (Director) Option Ex 30,975 14.73 456,261
2016-08-11 Shandell Jason B. (President) Sale 5,636 18.01 101,481
2016-08-11 Prins Richard K (Director) Sale 13,993 18.03 252,279
2016-08-11 Prins Richard K (Director) Option Ex 13,993 13.41 187,646
2016-07-18 Peters William J (CFO, SVP & Treasurer) Sale 2,297 17.76 40,794
2016-06-15 Zhou Rong (EVP, Production Center) Sale 1,551 15.85 24,583
2016-06-13 Prins Richard K (Director) Sale 7,500 15.94 119,535
2016-06-13 Prins Richard K (Director) Option Ex 7,500 14.23 106,725
2016-06-09 Shandell Jason B. (President) Sale 9,904 16.43 162,722
2016-06-02 Peters William J (CFO, SVP & Treasurer) Sale 2,297 16.00 36,752
2016-05-25 Shandell Jason B. (President) Sale 1,074 15.60 16,754
2016-05-18 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 1,427 13.97 19,939
2016-05-17 Prins Richard K (Director) Sale 3,200 13.56 43,392
2016-04-19 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 5,607 13.04 73,126
2016-04-19 Gerst Diane G. (EVP, QA & Regulatory Affairs) Option Ex 5,607 10.48 58,761
2016-04-18 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 15,637 12.83 200,653
2016-04-18 Gerst Diane G. (EVP, QA & Regulatory Affairs) Option Ex 14,210 10.95 155,528
2016-03-17 Prins Richard K (Director) Sale 2,400 11.25 27,000
2015-12-17 Shohet Stephen B. (Director) Sale 15,191 14.20 215,636
2015-12-17 Shohet Stephen B. (Director) Option Ex 15,191 11.68 177,430
2015-12-17 Zasloff Michael A (Director) Sale 14,232 14.20 202,108
2015-12-17 Zasloff Michael A (Director) Option Ex 14,232 11.68 166,229
2015-12-16 Zhou Rong (EVP, Production) Sale 772 14.29 11,031
2015-12-16 Shohet Stephen B. (Director) Sale 15,579 14.19 221,081
2015-12-16 Shohet Stephen B. (Director) Option Ex 15,579 11.68 181,962
2015-12-16 Lee Howard (Director) Sale 1,926 14.33 27,599
2015-12-16 Lee Howard (Director) Option Ex 1,926 11.68 22,495
2015-12-16 Zasloff Michael A (Director) Sale 16,538 14.19 234,740
2015-12-16 Zasloff Michael A (Director) Option Ex 16,538 11.68 193,163
2015-12-15 Lee Howard (Director) Sale 36,536 14.34 523,999
2015-12-15 Lee Howard (Director) Option Ex 36,536 11.68 426,740
2015-12-11 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 15,066 14.05 211,737
2015-12-11 Luo Mary Z. (COO & Chief Scientist) Sale 15,066 14.05 211,737
2015-12-10 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 21,915 14.32 313,888
2015-12-10 Luo Mary Z. (COO & Chief Scientist) Sale 21,915 14.32 313,888
2015-12-09 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 26,319 14.29 376,124
2015-12-09 Luo Mary Z. (COO & Chief Scientist) Sale 26,319 14.29 376,124
2015-12-08 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 24,359 14.50 353,108
2015-12-08 Luo Mary Z. (COO & Chief Scientist) Sale 24,359 14.50 353,108
2015-12-07 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 15,046 14.59 219,491
2015-12-07 Luo Mary Z. (COO & Chief Scientist) Sale 15,046 14.59 219,491
2015-12-04 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 28,712 14.95 429,301
2015-12-04 Luo Mary Z. (COO & Chief Scientist) Sale 28,712 14.95 429,301
2015-12-03 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 18,583 15.41 286,456
2015-12-03 Luo Mary Z. (10% Owner) Sale 18,583 15.41 286,456
2015-12-01 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 20,000 15.49 309,780
2015-12-01 Luo Mary Z. (10% Owner) Sale 20,000 15.49 309,780
2015-11-20 Petersen Floyd F. (Director) Sale 31,529 14.29 450,517
2015-11-20 Petersen Floyd F. (Director) Option Ex 38,462 11.68 449,236
2015-11-17 Prins Richard K (Director) Sale 3,772 13.95 52,608
2015-08-18 Prins Richard K (Director) Sale 9,100 14.66 133,396
2015-08-18 Prins Richard K (Director) Option Ex 2,100 10.77 22,617
2015-08-17 Luo Mary Z. (COO and Chief Scientist) Option Ex 16,962 12.97 219,997
2015-08-17 Prins Richard K (Director) Sale 5,400 14.70 79,385
2015-08-17 Prins Richard K (Director) Option Ex 5,400 10.77 58,158
2015-07-17 Shohet Stephen B. (Director) Sale 7,692 17.41 133,925
2015-07-17 Shohet Stephen B. (Director) Option Ex 7,692 11.68 89,842
2015-07-17 Zasloff Michael A (Director) Sale 7,692 17.41 133,902
2015-07-17 Zasloff Michael A (Director) Option Ex 7,692 11.68 89,842
2015-06-17 Zhou Rong (EVP, Production) Sale 1,000 16.48 16,480
2015-06-15 Luo Mary Z. (COO and Chief Scientist) Sale 45,382 16.29 739,454
2015-06-15 Luo Mary Z. (COO and Chief Scientist) Option Ex 50,061 12.97 649,291
2015-06-12 Luo Mary Z. (COO, Chief Scientist, Chairman) Sale 114,089 16.16 1,843,450
2015-06-12 Luo Mary Z. (COO, Chief Scientist, Chairman) Option Ex 125,476 12.97 1,627,423
2015-06-11 Luo Mary Z. (COO, Chief Scientist, Chairman) Sale 23,264 16.47 383,134
2015-06-11 Luo Mary Z. (COO, Chief Scientist, Chairman) Option Ex 25,790 12.97 334,496
2015-06-10 Luo Mary Z. (COO, Chief Scientist, Chairman) Sale 23,142 16.38 378,973
2015-06-10 Luo Mary Z. (COO, Chief Scientist, Chairman) Option Ex 25,594 12.97 331,954
2015-06-09 Luo Mary Z. (COO, Chief Scientist, Chairman) Sale 51,500 16.18 833,218
2015-06-09 Luo Mary Z. (COO, Chief Scientist, Chairman) Option Ex 56,757 12.97 736,138
2015-06-08 Luo Mary Z. (COO, Chief Scientist, Chairman) Sale 54,120 16.61 898,987
2015-06-08 Luo Mary Z. (COO, Chief Scientist, Chairman) Option Ex 60,218 12.97 781,027
2015-06-05 Luo Mary Z. (COO, Chief Scientist, Chairman) Sale 88,138 16.46 1,451,192
2015-06-05 Luo Mary Z. (COO, Chief Scientist, Chairman) Option Ex 99,142 12.97 1,285,871
2015-05-22 Prins Richard K (Director) Sale 1,942 14.76 28,654
2015-05-22 Prins Richard K (Director) Option Ex 1,942 10.77 20,915
2015-05-21 Prins Richard K (Director) Sale 13,565 14.76 200,178
2015-05-21 Prins Richard K (Director) Option Ex 13,565 11.22 152,267
2015-05-20 Prins Richard K (Director) Sale 13,945 14.79 206,246
2015-05-20 Prins Richard K (Director) Option Ex 13,945 11.68 162,877
2015-05-19 Prins Richard K (Director) Sale 3,000 14.94 44,826
2015-05-19 Prins Richard K (Director) Option Ex 3,000 11.68 35,040
2015-04-09 Purchase Marilyn J. (Corp. Exec. VP of Operations) Sale 28,000 15.79 442,120
2015-04-09 Purchase Marilyn J. (Corp. Exec. VP of Operations) Option Ex 28,000 14.80 414,400
2015-04-08 Gerst Diane G. (Corp. SVP of Quality Assurance) Sale 10,000 15.79 157,900
2015-04-08 Gerst Diane G. (Corp. SVP of Quality Assurance) Option Ex 10,000 14.80 148,000
2014-08-25 Lee Howard (Director) Buy 6,000 10.84 65,022
2014-08-19 Zasloff Michael A (Director) Buy 3,500 10.00 35,000
2014-08-18 Prins Richard K (Director) Buy 2,600 10.03 26,078
2014-08-15 Petersen Floyd F. (Director) Buy 3,200 10.35 33,126
2014-08-15 Shohet Stephen B. (Director) Buy 3,500 10.37 36,295
2014-08-15 Koo Richard (Director) Buy 4,900 10.08 49,392
2014-08-15 Prins Richard K (Director) Buy 1,400 10.00 14,000

Insider trading activities including stock purchases, stock sales, and option exercises of AMPH listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Amphastar Pharmaceuticals, Inc. (symbol AMPH, CIK number 1297184) see the Securities and Exchange Commission (SEC) website.